3555315225 has 72 divisors (see below), whose sum is σ = 7939319232. Its totient is φ = 1477526400.

The previous prime is 3555315217. The next prime is 3555315227. The reversal of 3555315225 is 5225135553.

3555315225 is a `hidden beast` number, since 3 + 55 + 531 + 52 + 25 = 666.

3555315225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3555315225 - 2³ = 3555315217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3555315225.

It is not an unprimeable number, because it can be changed into a prime (3555315227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 85282 + ... + 119931.

Almost surely, 2^3555315225 is an apocalyptic number.

3555315225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3555315225 is an abundant number, since it is smaller than the sum of its proper divisors (4384004007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3555315225 is a wasteful number, since it uses less digits than its factorization.

3555315225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205247 (or 205239 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 3555315225 is about 59626.4641329670. The cubic root of 3555315225 is about 1526.2512672367.

The spelling of 3555315225 in words is "three billion, five hundred fifty-five million, three hundred fifteen thousand, two hundred twenty-five".